Latest News:
2009/12/08 Daikin McQuay Pathfinder Chiller Now Available with Optional VFD!2009/10/13 Daikin McQuay Magnitude™ Frictionless Centrifugal Chillers Now in 400 to 550 Tons!
2009/06/29 New Daikin McQuay Pathfinder™ air-cooled chiller helps reduce energy costs, meet sustainable goals.
2009/02/17 New McQuay Extended-Size Vision™ Indoor Air Handlers
2008/11/20 New Scroll Templifier™ Water Heater
2008/11/20 McQuay Equipment Quiet Enough for “On Air”
2008/04/09 The International Mechanical Code and ANSI/ASHRAE Standard 62.1-2004
Dual Compressor Centrifugal Chiller - 400 - 2700 Tons
| Model WDC, Single Circuit 400 to 2500 Tons (1400 to 9500 kW, 50 and 60 Hz) | ![]() |
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Physical Data Summary (233KB) Complete Catalog (3,652 KB)
- Installed costs savings - two chillers in one package
- Single circuit parallel-flow Model WDC provides superior part load efficiency, especially with optional variable frequency drives
- Dual circuit series-counterflow Model WCC delivers exceptional full load efficiency
- Automatic backup with at least 60% of the chiller design capacity available on single circuit units and 50% on dual circuit units
- Positive pressure R-134a design has a significantly smaller footprint than R-123 designs
- Unmatched unloading due to compressor design with movable diffuser geometry
- MicroTech II® controls with the Open ChoicesTM feature for easy integration using BACnet®, LonTalk®, or Modbus® protocols

